Back Number – 大不正解 / Dai Fuseikai (대 부정답)
Release Date: 2018.08.22
Back Number – Happy End
Release Date: 2016.11.16
Back Number – Watagashi
Release Date: 2012.07.18
Back Number – Takaneno Hanakosan
Release Date: 2013.06.26
Back Number – 黑い猫の歌 / Kuroi Nekono Uta (검은 고양이의 노래)
Release Date: 2016.08.02
Back Number – Nichiyoubi
Release Date: 2012.05.30
Back Number – Koi
Release Date: 2012.03.07
Back Number – Old Fashion
Release Date: 2018.11.21
Back Number – 僕の名前を / Bokuno Namaewo (나의 이름을)
Release Date: 2016.05.25
Back Number – Happy Birthday
Release Date: 2019.02.19
Back Number – Mabataki
Release Date: 2017.12.20
Back Number – Magic
Release Date: 2019.03.27
Back Number – Suiheisen
Release Date: 2021.08.13
Back Number – Reunion
Release Date: 2016.12.07
Back Number – Hanabira
Release Date: 2011.04.06
Back Number – Shiawase
Release Date: 2011.01.26
Back Number – Sister
Release Date: 2015.05.27
Back Number – Bokuno Namaeo
Release Date: 2016.05.25
Back Number – Tegami
Release Date: 2015.08.12
Back Number – Omoidasenakunaru Sonohimade
Release Date: 2011.10.05
Back Number – Chandelier
Release Date: 2015.12.09
Back Number – Happy Birthday
Release Date: 2019.02.27
Back Number – Old Fashion
Release Date: 2018.11.09
Back Number – ハッピ-エンド / Happy End
Release Date: 2016.11.16
Back Number – ヒロイン / Heroine
Release Date: 2015.01.21
Back Number – Heroine
Release Date: 2015.01.21
Back Number – Super Star
Release Date: 2011.10.26
Back Number – Kuroi Nekono Uta
Release Date: 2016.08.01
Back Number – 手紙 / Tegami (편지)
Release Date: 2015.08.12
Back Number – アンコ-ル / Encore
Release Date: 2016.12.28